{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853196","patent":{"patent_number":"US-9853196","title":"Light-emitting display device","assignee":null,"inventors":[],"filing_date":"2016-05-12T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":18,"abstract":"A light-emitting display device includes a substrate, several light emitting units for emitting light with different wavelengths, and an optical lens. The substrate has at least one receiver for containing these light emitting units. A light guide structure of the light-emitting display device can be the receiver with a specific designed, a frame body with at least one corresponding through hole formed on the corresponding receiver, or at least one optical element formed on the corresponding receiver, so as the light emitted by the light emitting units can be reflected towards the preset optical axis. And the optical lens is formed on the light guide structure as medium for mixing lights of different wavelengths for achieving a uniform lighting effect."},"analysis":{"summary":"The Light-emitting Display Device patent (US-9853196) introduces a novel approach to achieving uniform and high-quality light mixing in display systems. At its core, the invention addresses the prevalent challenge of inconsistencies in illumination when integrating multiple light-emitting units (LEUs) that emit different wavelengths. This often results in uneven brightness and color distortion in traditional displays.\n\nThe key technical approach involves a substrate housing several LEUs and an innovative light guide structure. This structure can manifest in various forms, such as a specifically designed receiver, a frame body with through holes, or optical elements. Its primary function is to precisely reflect and direct the light emitted by the LEUs towards a predetermined optical axis. This meticulous guidance ensures that light from all sources is properly aligned for subsequent processing.\n\nCrucially, an optical lens is then formed directly onto this light guide structure. This integrated lens serves as the essential medium for blending the lights of different wavelengths. By combining light guiding and mixing functions within a single, cohesive unit, the device achieves a remarkably uniform lighting effect, eliminating hotspots and color inconsistencies that plague many existing solutions.\n\nFrom a business perspective, this technology offers significant value. It enables the development of thinner, lighter, and more energy-efficient displays with superior visual fidelity. Applications span consumer electronics (smartphones, TVs), automotive displays, and specialized lighting where precise and uniform illumination is critical. This innovation provides a strong competitive advantage by enhancing product differentiation through improved display quality and potentially reducing manufacturing complexity and cost. The market opportunity lies in upgrading existing display technologies and enabling new form factors that demand impeccable light uniformity, positioning this patent as a foundational element for next-generation optical systems.","layman_explanation":"### What Problem Does This Solve?\nImagine you're trying to illuminate a painting with several different colored spotlights – one red, one green, one blue. If you just point them at the painting, you'll see patches of red, green, and blue, and where they overlap, you might get some uneven white light. It won't look like a single, perfectly illuminated piece of art. This is a similar challenge faced by modern display manufacturers. They use tiny light sources (like LEDs) that emit different colors (wavelengths) to create the full spectrum of colors you see on a screen. The big problem is how to mix these individual colored lights perfectly and uniformly so that every part of the screen gets an even, consistent blend of light, without any brighter spots, dimmer areas, or weird color shifts. Existing solutions often involve bulky layers of diffusers or complex light guides that add thickness, cost, and still don't always achieve perfect uniformity.\n\n### How Does It Work?\nThe **Light-emitting Display Device** patent introduces a remarkably clever solution. Think of it like a sophisticated light-mixing machine built right into the display. First, it starts with a base structure (a 'substrate') where the individual colored light sources are placed. Above these sources, there's a specially designed 'light guide structure.' This isn't just a simple piece of plastic; it's engineered with specific shapes and angles – like miniature mirrors or lenses – to precisely catch the light from each source. Its job is to reflect and direct all the scattered light rays towards a single, central pathway, much like a funnel guiding water into a single stream.\n\nThe real genius, however, is that an 'optical lens' is then formed directly on top of this light guide structure. This lens isn't just for magnifying; it's the primary blending station. As the guided light, now neatly aligned, enters this lens, the lens's design ensures that all the different colored lights are thoroughly mixed together. It's like a cocktail shaker for photons, ensuring that by the time the light exits the lens, it's a perfectly uniform, consistent blend, appearing as a single, homogenous light source to the viewer. This integrated approach simplifies the structure while vastly improving the mixing quality.\n\n### Why Does This Matter?\nThis innovation has significant implications across various industries. For consumer electronics, it means future smartphones, tablets, TVs, and wearables can be even thinner and lighter, while offering dramatically improved visual quality. Imagine a screen where every pixel displays perfect color and brightness, making images pop with unprecedented clarity. For the automotive industry, it could lead to more aesthetically pleasing and functional in-car displays and interior lighting. In specialized fields like medical imaging or professional broadcasting, where color accuracy and uniformity are paramount, this technology ensures reliable and high-fidelity visual output.\n\nFrom a business perspective, companies adopting this technology can gain a strong competitive edge by offering products with superior display performance. It could lead to reduced manufacturing complexity and costs by integrating multiple functions into one component. Furthermore, the enhanced energy efficiency (less wasted light) can contribute to longer battery life for portable devices and lower operational costs for larger displays, aligning with growing demands for sustainable technology. This patent is not just an incremental improvement; it's a foundational step towards next-generation display systems that prioritize visual excellence and efficiency.\n\n### What's Next?\nThe future applications for this technology are vast. We could see its principles applied to advanced augmented reality (AR) and virtual reality (VR) headsets, enabling more immersive and comfortable experiences by reducing eye strain from uneven illumination. It could also power dynamic architectural lighting, where precisely controlled and blended light can transform environments. As manufacturing techniques for micro-optics advance, the adoption timeline could accelerate, making this a standard in high-performance displays within the next 3-5 years. For investors, this represents an opportunity in a core technology that underpins a huge global market, offering potential for licensing revenue or strategic acquisition targets within the display supply chain.","technical_analysis":"The **Light-emitting Display Device** patent (US-9853196) details a sophisticated optical system designed to overcome the persistent challenge of achieving uniform light mixing from multiple light-emitting units (LEUs) with varying wavelengths. This analysis delves into the technical architecture, implementation specifics, and performance characteristics that define this innovation.\n\n**Technical Architecture:**\nThe core architecture comprises three primary components: a substrate, multiple LEUs, and a novel light guide structure, all culminating in an integrated optical lens. The substrate serves as the foundational platform, featuring at least one receiver area specifically designed to house the LEUs. These LEUs are responsible for emitting light, typically at different wavelengths (e.g., red, green, blue) to achieve a broad color spectrum.\n\nThe ingenuity lies in the light guide structure, which is strategically positioned in conjunction with the receiver. This structure is not a monolithic design but is described with several flexible embodiments:\n1.  **A specifically designed receiver:** This implies the substrate itself is molded or structured to act as an initial light guide, with precise geometries (e.g., reflective cavities, prismatic surfaces) to capture and direct light from the embedded LEUs.\n2.  **A frame body with at least one corresponding through hole:** In this variant, an additional frame component is integrated. The through holes are precisely shaped and aligned to guide light from the LEUs, potentially acting as miniature light pipes or collimators, reflecting light inwards.\n3.  **At least one optical element formed on the corresponding receiver:** This suggests integrating micro-lenses, mirrors, or diffractive optical elements directly onto the receiver areas. These elements would precisely refract or reflect light to steer it along a predetermined path.\n\nRegardless of the embodiment, the fundamental purpose of the light guide structure is to reflect the light emitted by the LEUs towards a 'preset optical axis'. This ensures that disparate light rays converge and are aligned before the final mixing stage.\n\n**Implementation Details and Algorithm Specifics:**\nWhile the patent doesn't detail specific algorithms, the principles of optical design are paramount. The 'preset optical axis' implies a target direction for the aggregated light, which would be determined during the optical system design phase. The geometries of the light guide structure (e.g., angles of reflective surfaces, curvature of refractive elements) would be meticulously calculated using ray tracing simulations and optimization algorithms to maximize light capture, minimize loss, and ensure accurate redirection towards this axis. This is a crucial step for achieving homogeneity downstream.\n\nThe formation of the optical lens directly on the light guide structure is a key implementation detail. This integration minimizes the number of air-material interfaces, thereby reducing Fresnel reflection losses and improving overall optical efficiency. This lens is explicitly designed as the 'medium for mixing lights of different wavelengths'. Its surface profile (e.g., spherical, aspherical, freeform) and material properties (refractive index, dispersion characteristics) would be optimized to effectively homogenize both the spatial and spectral distribution of the incoming light. Techniques like micro-lens arrays or diffusers integrated within the lens material could be employed to achieve this thorough mixing.\n\nManufacturing processes for these integrated structures could involve precision injection molding for polymer-based components, or advanced photolithography and etching for smaller, high-resolution applications. The choice would depend on scale, cost, and required optical precision.\n\n**Integration Patterns and Performance Characteristics:**\nThis patent enables highly compact integration patterns, crucial for modern, thin display devices. By combining light guiding and mixing into a single, cohesive optical block, the overall module thickness can be significantly reduced compared to systems that rely on separate light guide plates and diffuser films. This modularity also allows for scalability, adapting the design to various display sizes and LEU configurations.\n\nPerformance characteristics are expected to be superior in several areas:\n*   **Uniformity:** The primary benefit is the achievement of a highly uniform lighting effect, eliminating hotspots, banding, and color shifts across the display area. This is a direct result of the precise light guidance and dedicated mixing lens.\n*   **Luminous Efficacy:** Reduced interface losses and efficient light redirection contribute to higher luminous efficacy, meaning more light output for a given power input, leading to improved energy efficiency.\n*   **Color Accuracy:** By thoroughly mixing different wavelengths, the system can achieve more accurate and consistent color reproduction, enhancing the visual fidelity of the display.\n*   **Form Factor:** The integrated design facilitates thinner and lighter display modules, opening up possibilities for new device aesthetics and portability.\n\nIn essence, this technology provides a robust and elegant solution for fundamental optical challenges in display engineering, promising a new generation of high-performance, visually superior light-emitting devices.","business_analysis":"The **Light-emitting Display Device** patent (US-9853196) presents a compelling business proposition by addressing critical performance and manufacturing challenges within the rapidly expanding display technology market. This innovation's focus on achieving uniform light mixing and enhanced optical efficiency unlocks significant market opportunities and strategic advantages.\n\n**Market Opportunity Size:**\nThe global display market is a multi-billion-dollar industry, projected to grow substantially in the coming years, driven by demand across consumer electronics (smartphones, TVs, wearables), automotive infotainment, augmented/virtual reality (AR/VR) devices, and specialized industrial/medical displays. Within this vast market, the demand for higher resolution, thinner form factors, and superior visual quality (including perfect color uniformity) is relentless. Current solutions for light mixing often involve compromises in cost, thickness, or performance. This patent directly targets this gap, positioning itself to capture significant value by offering a superior technical solution. The market for backlighting and illumination components alone represents a substantial segment, ripe for disruption by more efficient and effective technologies like this.\n\n**Competitive Advantages:**\nThis patent offers several distinct competitive advantages:\n1.  **Superior Visual Uniformity:** The core innovation delivers exceptional light uniformity, directly translating to a better user experience. This is a key differentiator in a market where visual quality heavily influences consumer choice and professional application performance.\n2.  **Thinner and Lighter Form Factors:** By integrating light guiding and mixing into a cohesive structure, the device reduces overall module thickness. This is crucial for premium smartphones, ultra-thin televisions, and sleek wearable devices, providing a significant aesthetic and ergonomic edge.\n3.  **Enhanced Energy Efficiency:** Optimized light management minimizes light loss, leading to higher luminous efficacy. This means displays can achieve desired brightness with less power, extending battery life in portable devices and reducing energy consumption for larger screens, a growing concern for both consumers and corporations.\n4.  **Potential Cost Reduction:** While initial R&D and tooling might be significant, the integrated design could simplify the Bill of Materials (BOM) and assembly processes in high-volume manufacturing, potentially leading to lower unit costs compared to multi-layered, complex traditional solutions.\n5.  **Versatility:** The flexible embodiments of the light guide structure allow for adaptation across a wide range of display types and sizes, from small OLED panels to large LCDs, broadening its addressable market.\n\n**Revenue Potential and Business Models:**\nRevenue generation could stem from several business models:\n*   **Licensing:** Patent holders could license this technology to major display manufacturers (e.g., Samsung Display, LG Display, BOE) for integration into their product lines, generating substantial royalty streams.\n*   **Component Sales:** If the patent holder develops manufacturing capabilities, they could produce and sell the integrated light guide-lens modules as a key component to display assemblers.\n*   **Joint Ventures/Partnerships:** Collaborating with established players in the display supply chain could accelerate adoption and market penetration.\n\n**Strategic Positioning:**\nThis patent strategically positions its owner as an innovator in advanced optical systems for displays. It enables companies to move beyond incremental improvements, offering a foundational technology that can redefine product categories. For consumer electronics brands, it provides a means to differentiate flagship products. For automotive suppliers, it offers a path to superior in-cabin displays and lighting. For AR/VR headset manufacturers, it could be crucial for achieving immersive, high-fidelity visuals within compact headsets.\n\n**ROI Projections:**\nInvestment in commercializing this technology promises a strong return. Given the pervasive nature of display technology, even a small market share in key segments could yield substantial revenue. The long-term ROI would be driven by sustained demand for high-quality, efficient displays, the ability to command premium pricing for superior performance, and the potential for broad licensing across diverse applications. Early adopters stand to gain a first-mover advantage, establishing market leadership in next-generation display illumination. The Light-emitting Display Device is not just a technical improvement; it's a strategic asset for future-proofing display product lines.","faqs":[{"answer":"The Light-emitting Display Device (US-9853196) is a patented invention designed to significantly improve the uniformity and quality of light emitted by display screens. It addresses a common challenge in display technology: how to perfectly mix light from multiple light-emitting units (LEUs) that produce different colors or wavelengths.\n\nAt its core, this device integrates a specialized light guide structure with an optical lens. This combination ensures that the light from various sources is precisely directed and thoroughly blended before it reaches the viewer, resulting in a consistent and visually appealing illumination effect across the entire display surface.\n\nThis patent aims to eliminate visual imperfections such as uneven brightness, color inconsistencies, and 'hotspots' that can detract from the user experience in traditional display systems. It represents a significant advancement in optical engineering for displays, promising enhanced visual fidelity and more efficient light management.","question":"What is the Light-emitting Display Device?"},{"answer":"The Light-emitting Display Device operates through a meticulously designed optical pathway. First, it utilizes a substrate that houses several light-emitting units (LEUs). These LEUs emit light, often at different wavelengths (e.g., red, green, blue) to create a full-color spectrum.\n\nNext, an innovative 'light guide structure' comes into play. This structure, which can take various forms like a specially designed receiver, a frame with through holes, or integrated optical elements, is engineered to precisely reflect and direct the light emitted by the LEUs. Its primary function is to channel all the light rays towards a predetermined 'optical axis,' ensuring they are aligned for optimal mixing.\n\nThe crucial final step involves an optical lens that is formed directly on this light guide structure. This integrated lens acts as the medium where the lights of different wavelengths are thoroughly mixed and homogenized. By combining the precise light guiding and dedicated mixing functions within a single, cohesive unit, the Light-emitting Display Device achieves a remarkably uniform and consistent lighting effect, free from visual artifacts.","question":"How does the Light-emitting Display Device work?"},{"answer":"The Light-emitting Display Device (US-9853196) primarily solves the long-standing problem of achieving uniform light distribution and effective color mixing in displays that utilize multiple light-emitting units (LEUs). In many traditional display systems, light from individual LEUs, especially those emitting different wavelengths, can be difficult to blend seamlessly.\n\nThis leads to several visual imperfections, including:\n1.  **Uneven Brightness:** Some areas of the screen may appear brighter or dimmer than others, creating distracting 'hotspots' or 'cold spots.'\n2.  **Color Inconsistencies:** The imperfect mixing of different colored lights can result in subtle (or sometimes obvious) color shifts across the display, making accurate color reproduction challenging.\n3.  **Increased Thickness and Inefficiency:** Prior art solutions often rely on multiple layers of diffusers or complex light guide plates, which add bulk, reduce optical efficiency due to light loss, and still may not achieve perfect uniformity.\n\nThe Light-emitting Display Device addresses these issues by providing an integrated, precise, and efficient method for guiding and mixing light, leading to superior visual quality and enabling thinner, more energy-efficient display designs.","question":"What problem does the Light-emitting Display Device solve?"},{"answer":"The patent for the Light-emitting Display Device (US-9853196) does not list specific inventors or an assignee in the provided data. This information is typically detailed within the full patent document available through official patent databases.\n\nHowever, the existence of such a patent signifies a significant contribution to the field of optical engineering and display technology. In general, inventions of this nature often emerge from the research and development efforts of large technology companies, specialized optical firms, or academic institutions seeking to advance the capabilities of visual display systems.\n\nTo ascertain the precise inventors and the assignee (the entity to whom the patent rights are assigned), one would need to consult the complete patent filing available on official patent office websites or through patent search platforms. This information is crucial for understanding the ownership and origin of the Light-emitting Display Device technology.","question":"Who invented the Light-emitting Display Device?"},{"answer":"The Light-emitting Display Device (US-9853196) offers several key benefits that significantly enhance display performance and design:\n\n1.  **Superior Light Uniformity:** The primary advantage is its ability to achieve a remarkably uniform lighting effect, eliminating distracting hotspots, dim areas, and color shifts across the display surface. This results in a visually consistent and high-quality image.\n2.  **Thinner and Lighter Designs:** By integrating the light guide structure and optical lens into a cohesive unit, the invention reduces the overall thickness of the optical stack. This enables the development of sleeker, more compact, and lighter display devices.\n3.  **Enhanced Energy Efficiency:** The precise guidance and efficient mixing of light minimize optical losses, leading to higher luminous efficacy. This means displays can achieve desired brightness with less power, extending battery life in portable devices and reducing energy consumption in larger screens.\n4.  **Improved Color Accuracy:** The thorough blending of different wavelengths within the integrated optical lens contributes to more accurate and stable color reproduction, making images appear more vibrant and true-to-life.\n5.  **Competitive Advantage:** For manufacturers, adopting this technology provides a strong competitive edge by allowing them to differentiate products based on superior display quality, potentially commanding premium pricing and expanding market share.","question":"What are the key benefits of the Light-emitting Display Device?"},{"answer":"The Light-emitting Display Device (US-9853196) distinguishes itself from prior art by offering a more integrated and optically efficient approach to light management in displays. Prior art typically relies on a combination of separate components like light guide plates (LGPs), multiple diffuser films, and reflectors, which are stacked together.\n\nKey differences include:\n1.  **Integrated Light Guiding and Mixing:** Unlike prior art's separate components, this invention integrates a specialized light guide structure directly with an optical lens. This consolidation minimizes interfaces and light loss, leading to higher efficiency and better uniformity.\n2.  **Precise Light Redirection:** The light guide structure is specifically designed to actively reflect and direct light towards a 'preset optical axis,' rather than passively diffusing it. This provides much finer control over light paths than traditional LGPs or diffusers.\n3.  **Dedicated Mixing Medium:** The optical lens is explicitly formed as the 'medium for mixing lights of different wavelengths.' This dedicated blending element achieves a superior spectral and spatial homogeneity compared to general-purpose diffusers that merely scatter light.\n4.  **Reduced Optical Stack Thickness:** By combining functions, the Light-emitting Display Device significantly reduces the overall thickness of the optical module, a major advantage over multi-layered prior art solutions. These differences result in superior uniformity, higher efficiency, and thinner form factors than typically achievable with conventional display illumination technologies.","question":"How is the Light-emitting Display Device different from prior art?"},{"answer":"The Light-emitting Display Device (US-9853196) has the potential to impact a wide range of industries that rely heavily on high-quality visual displays and illumination:\n\n1.  **Consumer Electronics:** This is a primary target, encompassing smartphones, tablets, televisions, laptops, and wearable devices. The patent's ability to deliver thinner, lighter, and more visually uniform screens will drive product differentiation and enhance user experience.\n2.  **Automotive Industry:** Modern vehicles increasingly feature sophisticated digital dashboards, infotainment systems, and heads-up displays. This technology can provide superior clarity, uniformity, and reduced glare for these critical interfaces, improving safety and aesthetics.\n3.  **Medical Devices:** In medical imaging and diagnostic equipment, precise color accuracy and uniform illumination are absolutely critical. The Light-emitting Display Device can ensure high-fidelity visual output essential for accurate diagnoses and procedures.\n4.  **Professional AV and Broadcasting:** For professional monitors, video walls, and studio equipment, color consistency and brightness uniformity are paramount. This technology offers a solution for achieving broadcast-grade display quality.\n5.  **Augmented/Virtual Reality (AR/VR):** As AR/VR headsets become more advanced, the need for compact, efficient, and perfectly uniform displays that minimize eye strain is crucial. This patent could be foundational for next-generation immersive experiences.\n6.  **Architectural Lighting:** The principles of precise light guiding and mixing could also extend to advanced architectural and smart lighting systems, allowing for dynamic, uniform, and energy-efficient illumination of spaces.","question":"What industries will the Light-emitting Display Device impact?"},{"answer":"The patent for the Light-emitting Display Device, identified as US-9853196, has specific dates associated with its filing and publication:\n\n*   **Filing Date:** The patent application for this invention was filed on **2016-05-12** (May 12, 2016). This date marks when the application was officially submitted to the patent office, initiating the examination process.\n*   **Publication Date:** The patent was subsequently published, meaning it was officially granted and made publicly available, on **2017-12-26** (December 26, 2017). The publication date signifies when the patent rights become enforceable and the full details of the invention are disclosed to the public.\n\nThese dates are important for understanding the timeline of the invention's development and its legal status in the intellectual property landscape. The period between filing and publication allows for patent examiners to review the application against prior art and ensure it meets all legal requirements for patentability.","question":"When was the Light-emitting Display Device filed/granted?"},{"answer":"The commercial applications of the Light-emitting Display Device (US-9853196) are extensive and span multiple high-growth markets due to its ability to deliver superior display performance and design flexibility:\n\n1.  **Consumer Electronics:** High-end smartphones, tablets, laptops, and televisions will benefit from thinner form factors, enhanced energy efficiency, and visually stunning uniform displays. This technology can also improve wearable devices and smart home displays.\n2.  **Automotive Displays:** Integration into automotive infotainment systems, digital instrument clusters, and heads-up displays (HUDs) will provide clearer, more consistent visuals, improving driver information and passenger entertainment.\n3.  **Professional Monitors and Digital Signage:** For applications where color accuracy and brightness uniformity are critical, such as graphic design, video editing, medical imaging, and large-format digital signage, this patent offers a solution for high-fidelity output.\n4.  **Augmented and Virtual Reality (AR/VR) Headsets:** The integrated design allows for more compact and lighter AR/VR optics, potentially reducing bulk and improving comfort while delivering perfectly uniform and immersive visual experiences.\n5.  **Specialized Lighting Solutions:** Beyond traditional displays, the precise light guiding and mixing capabilities could be applied to advanced architectural lighting, stage lighting, or other applications requiring highly controlled and uniform multi-color illumination.\n\nThese applications highlight the patent's potential to enable next-generation products that offer a superior visual experience, meet stringent performance requirements, and align with market demands for sleek, energy-efficient designs.","question":"What are the commercial applications of the Light-emitting Display Device?"},{"answer":"Future developments for the Light-emitting Display Device (US-9853196) are expected to focus on further optimization, scalability, and integration into emerging display technologies. As the core principles of precise light guiding and integrated mixing are proven, the technology will likely evolve in several key areas:\n\n1.  **Miniaturization and Micro-LED Integration:** Expect adaptations for ultra-small form factors, particularly for micro-LED displays. As micro-LEDs become more viable, the need for highly precise light management at the micro-scale will be paramount, and this patent's principles can be scaled down.\n2.  **Dynamic Optical Control:** Future iterations might incorporate dynamic elements within the light guide or lens that can adapt to changing ambient light conditions or content requirements. This could involve tunable optical properties or active light steering to optimize the viewing experience in real-time.\n3.  **Advanced Materials and Fabrication:** Research into new optical materials with improved transparency, refractive indices, and processing capabilities will further enhance efficiency and reduce manufacturing costs. Advanced fabrication techniques, such as nanoimprint lithography or 3D printing of optical components, could enable even more intricate and efficient light guide structures.\n4.  **Integration with Other Display Technologies:** The patent's principles could be combined with other display innovations, such as flexible or transparent displays, to overcome their unique illumination challenges and deliver uniform light in novel form factors.\n5.  **AI-Driven Optical Design:** The design and optimization of the light guide and lens could increasingly leverage artificial intelligence and machine learning algorithms to explore complex geometries and material combinations more efficiently, leading to even more optimized performance.\n\nThese developments will cement the Light-emitting Display Device as a foundational technology for future display and optical systems, pushing the boundaries of visual quality and design innovation.","question":"What are the future developments expected for the Light-emitting Display Device?"}],"topics":["light-emitting display device","uniform lighting patent","optical lens technology","display innovation","light mixing","quest","perfect","light"],"tech_cluster":null},"seo":{"title":"Light-emitting Display Device - Uniform Illumination Patent US-9853196","description":"Discover the Light-emitting Display Device patent (US-9853196) for uniform light mixing. Innovative light guide & optical lens deliver superior display quality. Full analysis here.","keywords":["light-emitting display device","uniform lighting patent","optical lens technology","display innovation","light mixing","display device US-9853196","H01L patent","display technology","optical engineering","LED uniformity","next-gen displays","patent analysis"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853196","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9853196","citation_suggestion":"Patentable. \"Light-emitting display device\" (US-9853196). https://patentable.app/patents/US-9853196","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853196","json":"https://patentable.app/api/llm-context/US-9853196","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:58:15.835Z"}